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Dr. Callejas is on Doximity

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Education & Training

  • Stony Brook Medicine/University Hospital
    Stony Brook Medicine/University HospitalResidency, Surgery, 1975 - 1981
  • NYU Long Island School of Medicine
    NYU Long Island School of MedicineInternship, Transitional Year, 1974 - 1975
  • Universidad Autonoma de Nicaragua Faculty of Medicine
    Universidad Autonoma de Nicaragua Faculty of MedicineClass of 1971

Certifications & Licensure

  • FL State Medical License
    FL State Medical License 1983 - 2019

Hospital Affiliations